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| author | Chad Rosier <mcrosier@apple.com> | 2012-11-06 23:05:24 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@apple.com> | 2012-11-06 23:05:24 +0000 |
| commit | e7bd51980a1341fb60322e5922cfcc0c9b92b165 (patch) | |
| tree | d130945cf2830428d7948661aa80b528f1422c87 /lib/Target/ARM/ARMBaseRegisterInfo.h | |
| parent | 7979b24e5cd4a99db6af3fcd66d9f514f02d11db (diff) | |
| download | llvm-e7bd51980a1341fb60322e5922cfcc0c9b92b165.tar.gz llvm-e7bd51980a1341fb60322e5922cfcc0c9b92b165.tar.bz2 llvm-e7bd51980a1341fb60322e5922cfcc0c9b92b165.tar.xz | |
Mark the Int_eh_sjlj_dispatchsetup pseudo instruction as clobbering all
registers. Previously, the register we being marked as implicitly defined, but
not killed. In some cases this would cause the register scavenger to spill a
dead register.
Also, use an empty register mask to simplify the logic and to reduce the memory
footprint.
rdar://12592448
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167499 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMBaseRegisterInfo.h')
| -rw-r--r-- | lib/Target/ARM/ARMBaseRegisterInfo.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.h b/lib/Target/ARM/ARMBaseRegisterInfo.h index dbbb566900..e2bdd046db 100644 --- a/lib/Target/ARM/ARMBaseRegisterInfo.h +++ b/lib/Target/ARM/ARMBaseRegisterInfo.h @@ -96,6 +96,7 @@ public: /// Code Generation virtual methods... const uint16_t *getCalleeSavedRegs(const MachineFunction *MF = 0) const; const uint32_t *getCallPreservedMask(CallingConv::ID) const; + const uint32_t *getNoPreservedMask() const; BitVector getReservedRegs(const MachineFunction &MF) const; |